640934784

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{79481}}^1$

素因数の和:79508

約数の個数: 96

約数和(自身を含む): 2107862640

約数和(自身を除く): 1466927856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2688, 4032, 8064, 79481, 158962, 238443, 317924, 476886, 556367, 635848, 715329, 953772, 1112734, 1271696, 1430658, 1669101, 1907544, 2225468, 2543392, 2861316, 3338202, 3815088, 4450936, 5007303, 5086784, 5722632, 6676404, 7630176, 8901872, 10014606, 10173568, 11445264, 13352808, 15260352, 17803744, 20029212, 22890528, 26705616, 30520704, 35607488, 40058424, 45781056, 53411232, 71214976, 80116848, 91562112, 106822464, 160233696, 213644928, 320467392, 640934784]

約数ペア:

[(1, 640934784), (2, 320467392), (3, 213644928), (4, 160233696), (6, 106822464), (7, 91562112), (8, 80116848), (9, 71214976), (12, 53411232), (14, 45781056), (16, 40058424), (18, 35607488), (21, 30520704), (24, 26705616), (28, 22890528), (32, 20029212), (36, 17803744), (42, 15260352), (48, 13352808), (56, 11445264), (63, 10173568), (64, 10014606), (72, 8901872), (84, 7630176), (96, 6676404), (112, 5722632), (126, 5086784), (128, 5007303), (144, 4450936), (168, 3815088), (192, 3338202), (224, 2861316), (252, 2543392), (288, 2225468), (336, 1907544), (384, 1669101), (448, 1430658), (504, 1271696), (576, 1112734), (672, 953772), (896, 715329), (1008, 635848), (1152, 556367), (1344, 476886), (2016, 317924), (2688, 238443), (4032, 158962), (8064, 79481)]